CN101438465B

CN101438465B - Plug connector

Info

Publication number: CN101438465B
Application number: CN2007800165712A
Authority: CN
Inventors: 拉尔夫·施莱特
Original assignee: Multi Holding AG
Current assignee: Shi Tao Bill electrical connector stock company
Priority date: 2006-05-08
Filing date: 2007-05-02
Publication date: 2012-11-07
Anticipated expiration: 2027-05-02
Also published as: US7722397B2; JP2009536426A; MX2008014090A; BRPI0710426A2; CA2650823A1; WO2007128152A2; CN101438465A; WO2007128152A3; EP2016649A2; EP2016649B1; CA2650823C; US20090124117A1

Abstract

The invention relates to a plug connector (10) for the detachable connection of a number of cable pairs (97, 98) with a conductor cross-section of more than 10 mm2, in particular, for the supply of the welding current in welding robots, wherein individual contact elements (52, 60), with a conducting connection to the cables (97, 98), may be plugged into an insulated plug housing (11) with a clipping action and are detachably held in the plug housing (11) or terminal housing (12), the clipping action of the contact elements (52, 60) in the housings (11, 12) being achieved by an elastic deformation of the housings (11, 12). Manipulation is facilitated in that the housing (11, 12) is made from a material of such a hardness that the plugging in and exchange of contact elements can be achieved without the use of tools.

Description

Connectors

Technical field

The present invention relates to the electrical plug-in connector field.The present invention relates to a kind of connectors as described in the preamble according to claim 1.

Background technology

In Robotics; Particularly under the situation of industrial welding robot, must will be bigger, the electric current in 100A and bigger scope guides to the device (soldering appliance etc.) that is installed on the robot arm end from the pedestal of robot along robot arm.For this reason, use and to have corresponding conductors cross and (be typically 10mm ²-50mm ²) cable, these cables are equipped with corresponding connectors along robot arm guiding and at connecting portion (particularly at pedestal and in the end of arm).

Application for the welding robot philtrum; The applicant provides the connectors of TSB/TSS series (the primary circuit plug-in connector that is used for welding transformer); Wherein each contact site of socket and corresponding plug form by spiral terminal or crimp type terminal (Crimpanschluss) be electrically connected by the cable and damper ends of peeling; And with being placed in corresponding (columniform) insulation shell (to this see-also reference MC Roboticline07.2001 (ex Ho7b); Calendar year 2001, the 18th, 19 and 31 page).For this reason,, need special instrument to be pressed into the hole of design for this reason of insulation shell, and in maintenance work, extrude (above-mentioned catalogue the 41st page-44 pages) in case of necessity again with each contact site that will be arranged in cable and damper ends according to installation manual MA200.

The known connectors that in the welding robot field, is used for the primary circuit of welding transformer proves effective in practice.Yet; In order to assemble and remove each contact site; Need special instrument (plug assembly tool, plug extracting tool, socket assembly tool, socket removal tool or the like); These instruments not only must remain on the place of attaching/detaching, and when it uses, also require the special operation of insulation shell.Because under the situation of welding robot, owing to the welding current and the magnetic field that causes thus of pulsed makes related cable receive the mechanical load of pulsed, so when the robot continuous firing is in industrial environment, must change cable more continually.At this, hope that this replacing can simply and apace and also can carry out under limited locality condition situation.

In addition; In new robot type transition for will be out at present portion along robot arm guiding, be used to supply power and cable or the cable bundle controlled place arm inner; Preventing cable bundle and to be arranged near the object collision the pivot region of robot, and also simplify programming thus.Through cable being placed robot arm inner, the attaching/detaching of the simplification of connectors becomes even more important under limited condition.

In addition, connectors should be (the protection class IP67) of sealing with simple mode in the zone of the closing of contact and in the zone that cable is introduced in the insertion state as far as possible.

It is desirable in addition and can protect the connectors in the insertion state can by mistake not extracted, and can connectors be fixed on the installation site simply with simple mode.

Summary of the invention

Task of the present invention is; A kind of connectors that is used for said application is proposed; This connectors has been avoided the shortcoming of present connectors, and also can be simply and installation and removal apace under the situation that need not special aid and under limited locality condition.

This task solves through the integral body of the characteristic of claim 1.Core of the present invention is; In connectors according to the present invention; Each contact element that will link to each other with cable conduction inserts in the Socket casing of the plug casing that insulate and/or insulation with locking mode; And remain in plug casing or the Socket casing with removable mode; Wherein the locking of contact element in housing realizes through the elastic deformation of housing, and its middle shell is made up of the material with following hardness: this hardness can realize the insertion and the replacing of contact element under the situation of the help of tool free.Material of housing enough so " soft "; So that can the certain resistance ground of opposing is pressed into the hole that housing is its setting need not (promptly only to use hand ground) under the situation of special tool(s) with being arranged in cable and damper ends and each contact site that be equipped with buckling and locking device, and also can pull out again in case of necessity." softness " of material depends on the structure of locking mechanism at this, and this locking mechanism has together been confirmed required elastically-deformable size.

According to an expansion scheme of the present invention, construct on plug casing and/or Socket casing single type ground, and be made up of thermoplastic elastomer (TPE) (TPE).

Another expansion scheme of the present invention is characterised in that contact element is arranged in the plane parallel flat raft in plug casing and/or Socket casing, and in housing, is provided with three contact elements respectively abreast.

When cable sleeve pipe (Kabeltuellen) being set on plug casing and/or Socket casing being used to hold the end of the cable that links to each other with contact element; And when releasable fixture is set; In the time of can being fixed on cable in the cable sleeve pipe by this fixture, be particularly advantageous aspect mechanical stability and the compactness.

Preferably; Fixture comprises cable strain relief folder (Kabelzugentlastungsklammer) respectively; This cable strain relief folder clamps cable in the online cable sleeve pipe through the external pressure that acts on the cable sleeve pipe, and wherein cable strain relief folder is made up of the upper and lower respectively, and they surround the cable sleeve pipe from opposed side; And can be connected with each other; And wherein the cable sleeve pipe is configured to the parallel hollow cylinder side by side in compartment of terrain, and the upper and lower of cable strain relief folder is configured to respectively and traverses across the beam that the cable sleeve pipe extends, and this beam is being equipped with recess to be used for mating with the cable sleeve pipe on the side of cable sleeve pipe.

Especially; The upper and lower of cable strain relief folder has the hole that is in alignment with each other and is used for connection each other; Wherein the upper and lower of cable strain relief folder is connected to each other by passing the standing screw that extends in the hole, and external pressure is applied on the cable sleeve pipe.

Another expansion scheme is characterised in that cable strain relief folder and whole thus connectors are tightened on the base by set bolt.

Another expansion scheme of the present invention is characterised in that; Plug casing and Socket casing are by preventing the disconnected from each other of connectors at the insurance bending thing that inserts in the housing in the state that plugs together of connectors; Wherein insure the bending thing and preferably include microscler substrate; Bar vertically stretches out along a direction in the end from substrate, and in housing, is provided with reach through hole, and insurance bending thing can insert in these reach through holes with bar.

For using particularly advantageously be; Bar is slotted on free end and is had the kayser head; Bar is locked by these kayser heads in the outlet of reach through hole; And on insurance bending thing, be molded with grip groove, can under the situation of tool free, will insure the bending thing by these grip groove and from housing, pull out.Especially, insurance bending thing single type ground structure, and as moulding by the plastics manufacturing.

Cable strain relief folder is preferably by plastics, particularly fiber strengthened polyamide manufacturing.

In order to realize better sealing and clamping, advantageously, the cable sleeve pipe attenuates towards exporting the ground of taper slightly in inside, and recess makes up on taper ground equally slightly.

According to another expansion scheme of the present invention, Socket casing be provided with the each interval parallel side by side, the socket receiving section of taper slightly, these socket receiving sections hold the contact base of cloudy contact element; Plug casing is provided with corresponding contact protection portion, and when connectors plugged together, this protection contact site held the socket receiving section.Preferably, at this seal convexity thing is set on the socket receiving section externally in order to improve sealing.

Another expansion scheme is characterised in that; The housing that is used to hold contact element has connection chamber respectively; In connection chamber, be built with the kayser protuberance respectively; This kayser protuberance has the latch groove that on direction of insertion, is positioned at thereafter, and on contact element, is respectively arranged with and keeps groove and kayser flange (Rastbund) to be used for and kayser protuberance and latch groove acting in conjunction.At this, become easily in order to make to push, the kayser flange has inclined side in the inserting side.

In order further to improve operation, can on housing, make up grip groove and be used for housing is drawn back each other.

In order to have realization use connectors under the cable situation of different overall diameters; Advantageously the cable sleeve pipe is divided into two sections that on the grafting direction, are provided with in succession, wherein is positioned at the interior diameter of the interior diameter of outside section greater than another section.

According to another expansion scheme, the upper and lower of cable strain relief folder is come relative to each other to guide by guide rod, wherein preferably, and for parts unique orientation and the guide rod of encoding relative to each other.

In addition advantageously, the encoder element that setting matches each other on strain relief folder and related plug casing or Socket casing, these encoder elements have guaranteed that strain relief presss from both sides the unique orientation with related plug casing or Socket casing.

Description of drawings

Below will combine accompanying drawing further to set forth the present invention by embodiment.Wherein:

Fig. 1 shows the connectors that plugs together (not having cable) according to a preferred embodiment of the present invention with perspective view;

Fig. 2 shows the connectors Fig. 1 with the vertical view from the top;

Fig. 3 shows the Socket casing of the connectors among Fig. 1 with perspective view;

Fig. 4 shows the longitudinal section of the Socket casing that passes Fig. 3 with perspective view;

Fig. 5 shows the plug casing of the connectors among Fig. 1 with perspective view;

Fig. 6 shows the longitudinal section of the plug casing that passes Fig. 5 with perspective view;

Fig. 7 shows the longitudinal section of passing cloudy contact element, and this moon contact element can insert in the Socket casing among Fig. 3 with the mode that can take out;

Fig. 8 shows the longitudinal section of passing positive contact element, and this sun contact element can insert in the plug casing among Fig. 5 with the mode that can take out;

Fig. 9 shows the insurance bending thing Fig. 1 with the perspective view of seeing from the top, is used for protecting the connectors that plugs together of Fig. 1;

Figure 10 shows the insurance bending thing Fig. 9 with the perspective view of seeing from the below;

Figure 11 with two partial graphs (a) and (b) shows the end view and the cross section in the cutting plane that passes two bars of the insurance bending thing among Fig. 9;

Figure 12 with two partial graphs (a) and (b) shows the perspectivity front view and the rearview on the top of the cable strain relief folder among Fig. 1;

Figure 13 with two partial graphs (a) and (b) shows the perspectivity front view and the rearview of the bottom of the cable strain relief folder among Fig. 1;

Figure 14 shows the upper and lower of the strain relief folder that is similar to Figure 12 and 13, and guide rod and encoder element that it has coding are used for the plug casing acting in conjunction with Figure 15;

Figure 15 shows the plug casing that is similar to Fig. 5 with perspective view, and it has additional encoder element and is used for pressing from both sides acting in conjunction with the strain relief of Figure 14;

Figure 16 shows the longitudinal section of passing connectors according to a preferred embodiment of the present invention, that install and plug together fully.

Embodiment

The perspective view of the connectors that plugs together according to a preferred embodiment of the present invention (cable that does not link to each other with contact element) has been shown among Fig. 1.In this embodiment, connectors 10 is designed for that to connect three cables right, wherein connect two cables to or surpass three cables to being possible equally.In this embodiment; Connectors 10 comprises the plug casing 11 (in Fig. 5 and 6, illustrating separately) of insulation, the Socket casing 12 (in Fig. 3 and 4, illustrating separately) of insulation, two cable

strain relief folder

13 and 14 and insurance bending thing 15, and this insurance bending thing prevents that the

housing

11,12 that plugs together from by mistake being extracted.All parts 11 of connectors 10 ..., 15 all constitute by

plastics.Housing

11,12 is preferably made by thermoplastic elastomer (TPE) (TPE), and its Hardness Design is: make the contact element shown in Fig. 7 and 8 to be pushed down in the

housing

11,12 in the situation that need not special servicing unit (instrument), but also again (on cable) pull out.Fig. 2 shows the connectors 10 that plugs together with the vertical view from the top.

Cable

strain relief folder

13,14 is made up of top (Figure 12) and bottom (Figure 13) respectively, and they can be connected with each other by set

bolt

18,19, so that required external pressure is applied on the therebetween part (cable sleeve pipe 27 or 45) of housing.Cable

strain relief folder

13,14 is preferably by fiber strengthened polyamide manufacturing, so that reach required mechanical strength.

Implement on the 12 single type ground of the Socket casing shown in Fig. 3 and 4.This Socket casing comprises the mid portion 20 that extends transverse to the grafting direction; Two vertical reach through

holes

24 and 25 pass this mid portion abreast, and insurance bending thing 15 can insert these reach through holes with two in its four bars (69 among Figure 10,70,75,76).On mid portion 20, be molded with three in parallel with each other in grafting side upwardly extending and be arranged in a plane socket cavity 21 ..., 23; Respectively there is a connection chamber 32 to pass these socket cavities; Said connection chamber forwardly stops in socket receiving section 30, and stops in the online cable sleeve pipe 27 in rear portion.On the side end of mid portion 20, be molded with grip groove 28, when extracting connectors 10, hand can place on this grip groove.Through each connectors is arranged in the plane, realized the smooth especially structure of connectors, it is integrated in the robot for the cable with association is favourable.

Cable sleeve pipe 27 external cylindrical of shaping and each interval ground makes up separately.In inside, these cable sleeve pipes are divided into two

sections

33,34 that on the grafting direction, are provided with in succession, and wherein outer sections 34 has the interior diameter bigger than more inner section 33.Two

sections

33,34 with different interior diameters can be implemented in the cable that holds different overall diameters (different protector configurations) under the identical conductors cross situation.So for example possible is that it is 35mm that connection has conductors cross ²Cable, these cables have the overall diameter of 11mm to 17mm.For all these cables, use identical metal section and part (

contact element

52,60 among Fig. 7 and 8).In

section

33,34, the interior diameter of cable sleeve pipe 27 outwards attenuates to taper respectively slightly, and on inwall, has concentric rib, and these ribs are supported sealing and the mechanical fixation in the online cable sleeve pipe 27 of cable.On the outer end of cable sleeve pipe 27, be molded with edge protuberance thing 26 respectively, they guarantee that cable strain relief folder 14 is positioned on the cable sleeve pipe 27.

The socket receiving section 30 of shaping and each interval externally attenuates to taper forward slightly separately.These socket receiving sections insert when connectors 10 plugs together in the corresponding contact protection portion 67 in the plug casing 11 (Fig. 5).The contact base (53) that socket receiving section 30 holds cloudy contact element 52 (Fig. 7).On socket receiving section 30, externally be built with two

seal convexity things

29,31 of axially spaced-apart, they are used for the connectors between two

housings

11 and 12 is sealed.

Connection chamber 32 in the Socket casing 12 is designed for the cloudy contact element 52 that holds according to Fig. 7.To this; In connection chamber 32, be built with kayser protuberance 35 respectively to inner process; This kayser protuberance has the latch groove 36 that on direction of insertion, is positioned at thereafter, kayser flange 57 actings in conjunction of the maintenance groove 58 of the coupling on kayser protuberance and latch groove and the contact element 52 and coupling.In order to make the connection chamber 32 that contact element 52 is inserted Socket casings 12 become easily, the kayser flange of contact element 52 57 has inclined side in the inserting side.For feasible contact element 52 is pulled out from connection chamber 32 becomes easily, keep the sidewall of groove 58 to make up on slight inclination ground.

If contact element 52 usefulness contact bases 53 are introduced forward the connection chamber 32 from the rear portion through cable sleeve pipe 27, then can run into the back edge of kayser protuberance 35 with kayser flange 57 up to it at first not having to push this contact element under the situation of big resistance.When further helping pushing through the inclined side on the kayser flange 57, kayser protuberance 35 is extruding radially outward flexibly, fully be latched to after kayser flange 57 up to it to keep in the groove 58, and kayser flange 57 snaps in the latch groove 36 simultaneously.So the contact base 53 of contact element 52 is arranged in the socket chamber 37 of design for this reason of Socket casing 12, and prevent to touch unintentionally through 47 coverings of contact protection thing forward.When contact element 52 arrived this final position, cable stretched in the cable sleeve pipe 27 with its sheath, and there can be by cable strain relief folder 14 fixing (

cable

97,98 among Figure 16).

In plug casing 11, similarity relation is arranged according to Fig. 5 and 6.Plug casing 11 single type ground make up.This plug casing 11 comprise three that on direction of insertion, extend in parallel with each other and be arranged in a plane plug cavity 39 ..., 41; Respectively there is a connection chamber 48 to pass these plug cavity; Said connection chamber forwardly stops in common plug receiving section 38, and the rear section does not stop in cable sleeve pipe 45.On the side end of plug casing 11, be molded with grip groove 46 equally, connect 10 when extracting will plugging together, can hand be placed on this grip groove.

That be shaped separately and cable sleeve pipe 45 each interval can make up as the cable jacket on the Socket casing 12 27 externally cylindrically, and is divided into two that be provided with, that have concentric rib in

succession sections

33,34 on the grafting direction in inside.On the outer end of cable sleeve pipe 45, be molded with edge protuberance thing 44 equally, it guarantees that cable strain relief folder 13 is positioned on the cable sleeve pipe 45.

Connection chamber 48 in the plug casing 11 is designed for the positive contact element 60 that holds according to Fig. 8.To this; In connection chamber 48, be built with kayser protuberance 49 respectively to inner process; This kayser protuberance has the latch groove 50 that on direction of insertion, is positioned at thereafter, kayser flange 64 actings in conjunction of the maintenance groove 65 of the coupling on kayser protuberance and latch groove and the contact element 60 and coupling.In order to make the connection chamber 48 that contact element 60 is inserted plug casing 11 become easily, the kayser flange 64 of contact element 60 also has inclined side in the inserting side.For feasible contact element 60 is pulled out from connection chamber 48 becomes easily, keep the sidewall of groove 65 also can to make up on slight inclination ground at this.

If contact element 60 usefulness bars 63 are introduced forward the connection chamber 48 from the rear portion through cable sleeve pipe 45, then can run into the back edge of kayser protuberance 49 with kayser flange 64 up to it at first not having to push this contact element under the situation of big resistance.When further helping pushing through the inclined side on the kayser flange 64, kayser protuberance 49 is extruding radially outward flexibly, fully be latched to after kayser flange 64 up to it to keep in the groove 65, and kayser flange 64 is locked in the latch groove 50 simultaneously.When connectors 10 plugs together,, and surrounded by the socket receiving section of Socket casing 12 30 so the bar 63 of contact element 60 stretches in the plug chamber 51 of design for this reason of plug casing 11.When contact element 60 arrived this final position, cable stretched in the cable sleeve pipe 45 with its sheath, and there can be fixing by cable strain relief folder 13.The enforcement of the taper slightly of plug chamber 51 and socket receiving section 30 and socket receiving section 30 are used on this position, realizing the sealing according to IP67 at the insertion state with

seal convexity thing

29,31.

Preferred cloudy contact element 52 according to Fig. 7 is made up of the contact base 53 that has blind hole 55 and convex shoulder 59 in known manner, and wherein squeezing bushing 54 is pulled on this convex shoulder and welds fixing.Cable and damper ends pushes and is expressed in the squeezing bushing 54 with the conductor that exposes.The groove 56 that in blind hole 55, is provided with annular is used to hold many contact sites contact chip (Multi-Contact-Kontaktlamelle) of annular curved, the electrically contacting of the bar 63 of the introducing of the positive contact element 60 among itself and Fig. 8.Sun contact element 60 preferably is made up of contact plug 61, and this contact plug has the convex shoulder 66 that is arranged on the back, and wherein squeezing bushing 62 is pulled on this convex shoulder and welds fixing.Cable at this to install with the contact element 52 identical modes of Fig. 7.

As top mentioned, cable

strain relief folder

13,14 is made up of top 16 (Figure 12) and bottom 17 (Figure 13) respectively, they are from opposed side encirclement

cable sleeve pipe

27 or 45, and can be connected with each other.The top 16 of cable

strain relief folder

13,14 and bottom 17 are configured to respectively and traverse across the beam that

cable sleeve pipe

27,45 extends, this beam the recess 77 that on the side of

cable sleeve pipe

27,45, is equipped with the semicircular cylindricality ..., 79 or 84 ..., 86 be used for and

cable sleeve pipe

27,45 couplings.Recess 77 ..., 79 or 84 ..., 86 preferably slightly taper ground make up so that with

cable sleeve pipe

27,45 in

section

33,34 actings in conjunction of taper slightly the time, realize improved clamping and according to the sealing of IP67.

The upper and lower 16,17 of cable

strain relief folder

13,14 has the connection that the

hole

82,83 or 89,90 that is in alignment with each other is used for each

other.Set bolt

18,19 passes these

holes

82,83 or 89,90, so that two

parts

16,17 are connected with each other, and external pressure is applied on the cable sleeve pipe 27,45.To this, corresponding nut can be set on offside.But also possible is, with cable

strain relief folder

13,14 and thus whole connectors 10 is tightened on the base (mounting panel or the like) by set bolt 18,19.In addition, for the aligning of holder, guide

rod

80,81 can be set on top 16 and/or bottom 17, their guiding ground inserts in the

respective aperture

87,88 on bottom 17 and/or the top 16.

Possible in addition is that plug casing 11 prevents the disconnected from each other of connectors 10 with Socket casing 12 by insertable insurance bending thing 15.The insurance bending thing (Fig. 9-11) that is suitable for this comprises microscler substrate 68,

bar

69,70 with 75,76 in couples from substrate in the end along vertical the stretching out of

direction.In housing

11,12, be provided with corresponding vertical reach through

hole

24,25 or 42,43, insurance bending thing 15 can insert in these reach through holes by

enough bars

69,70 or 75,76.

Bar

69,70,75,76 is slotted and is had a kayser head at its free end, these bars in the outlet of reach through

hole

24,25 or 42,43 by these kayser heads locking.On insurance bending thing 15, advantageously be molded with

grip groove

73,74, under the situation of tool free, can insurance bending thing 15 be pulled out from

housing

11,12 by these grip groove in the side.Preferably, insurance bending thing 15 single type ground structure, and as moulding by the plastics manufacturing.

For two parts unique association each other that guarantees that strain relief is pressed from both sides, and, can code device be arranged on these parts in addition in order to realize unique orientation of strain relief folder with respect to plug casing or Socket casing.The example of this code device has been shown in Figure 14 and 15.The cable strain relief folder of Figure 14 is similar to Figure 12 and 13 and has top 16 ' and bottom 17 ', and they together form folder.Can see two

hexagonal apertures

95,96 at the upside of bottom 17 ', when two parts were tightened each other, these openings held corresponding nut.Two parts 16 ', 17 ' relatively guide through guide rod 80 ', 81 ', in this example their following codings: guide rod 80 ' has the cross section of rectangle on top 16 ', corresponding at the Kong Yuqi with rectangular cross section of bottom 17 '.And the guide rod 81 ' on top 16 ' has circular cross section, and is corresponding at the Kong Yuqi with circular cross section of bottom 17 '.Other codings also are possible.

In addition; Bottom 17 ' at the strain relief folder is molded with

encoder element

91,92 that stretch out the side, the protuberance shape; Be fixed on 11 ' last time of plug casing on the correct orientation when strain relief is clipped in, these encoder elements get in the corresponding recess (encoder element 93,94) in the plug casing 11 ' of Figure 15.In this way, guaranteed that the strain relief folder is clamped in the cable that stops in the connectors with desirable mode.In addition, be apparent that on the plug casing 11 ' of Figure 15 that contact protection thing 67 can have the various openings diameter, they can be implemented in the unique association between two socket connection portions when inserting.

In a word, can sum up operation principle as follows according to connectors of the present invention:

Connectors is for example to 35mm ²The cable cross section and design.Yet cable can be 3 kinds of definite cable type, and its overall diameter can be from about 11mm to approximately 17mm variation.Cable is forced in the same metalwork (contact element).Subsequently, cable passes the cable sleeve pipe from behind together with metalwork (contact element) and inserts in the insulation shell under without the situation of instrument, lock significantly up to it.

When all three contact sites were all locked, cable strain relief folder can be inserted on the cable sleeve pipe.Now, cable strain relief folder can be tightened with respect to the mounting panel with respective threaded by two (M5) bolts.By strain relief, can realize cable required confining force in insulant.In addition, realized protection class IP67 on the cable sleeve pipe thus.

In addition, whole connectors keeps through the bolt in the cable strain relief thing and is locked on the mounting panel.

When dismounting, whole flow process is carried out with reverse order.

The reference marker table

10 connectors

11,11 ' plug casing

12 Socket casings

13,14 cable strain relief folder

15 insurance bending things

16,16 ' top (cable strain relief folder)

17,17 ' bottom (cable strain relief folder)

18,19 set bolts

20 middlewares (Socket casing)

21 ..., 23 socket cavities (Socket casing)

24,25 reach through holes (being used to insure the bending thing)

26,44 edge protuberance things

27,45 cable sleeve pipes

28,46 grip groove

29,31 seal convexity things

30 socket receiving sections

32,48 connection chambers

33,34 sections (cable holds)

35,49 kayser protuberances

36,50 latch grooves

Socket chambers 37

38 plug receiving sections

39 ..., 41 plug cavity (plug casing)

42,43 reach through holes (being used to insure the bending thing)

47,67 contact protection things

Plug chambers 51

52 contact elements (feminine gender)

53 contact bases

54,62 squeezing bushings

55 blind holes

56 grooves (contact chip)

57,64 kayser flanges

58,65 keep groove

59,66 convex shoulders

60 contact elements (positive)

61 contact plugs

63 bars

68 substrates

69,70 bars

71 flutings

72 kayser heads

73,74 grip groove

75,76 bars

77 ..., 79 recesses

80,81 guide rods

80 ', 81 ' guide rod (coding)

82,83 holes

84 ..., 86 recesses

87,88 holes

89,90 holes

91,92 encoder elements (strain relief folder)

93,94 encoder elements (plug casing)

95,96 hexagonal apertures

97,98 cables

Claims

1. one kind is used for having above 10mm ²A plurality of cables of conductors cross to (97; 98) connectors (10) that releasably connects, each contact element (52 or 60) that in said connectors (10), will link to each other with the cable conduction can insert in the plug casing (11,11 ') that insulate and/or the Socket casing (12) of insulation with locking mode; And remain on plug casing (11 with removable mode; 11 ') or in the Socket casing (12), wherein the locking of contact element (52 or 60) in said plug casing (11,11 ') and/or said Socket casing (12) is through said plug casing (11; 11 ') and/or the elastic deformation of said Socket casing (12) realize; Wherein, said plug casing (11,11 ') and/or said Socket casing (12) are made up of the material with following hardness: this hardness can realize the insertion and the replacing of contact element (52 or 60) under the situation that tool free helps; Wherein said plug casing (11; 11 ') and/or said Socket casing (12) constitute and wherein said plug casing (11,11 ') and/or said Socket casing (12) single type ground structure by thermoplastic elastomer (TPE) (TPE).

2. connectors according to claim 1 is characterized in that, contact element (52 or 60) is parallel being arranged in the plane abreast in plug casing (11,11 ') and/or Socket casing (12).

3. connectors according to claim 2 is characterized in that, in said plug casing (11,11 ') and/or said Socket casing (12), is arranged side by side three contact elements (52,60) respectively.

4. connectors according to claim 3; It is characterized in that, be provided with cable sleeve pipe (27 or 45) at plug casing (11,11 ') and/or Socket casing (12) and be used to hold the cable (97 that links to each other with contact element (52 or 60); 98) end; And be provided with releasable fixture (13 or 14), can cable (97,98) be fixed in the cable sleeve pipe (27 or 45) by this fixture.

5. connectors according to claim 4 is characterized in that, fixture comprises cable strain relief folder (13 respectively; 14), this cable strain relief folder (13,14) is through acting on cable sleeve pipe (27; 45) external pressure on clamps the cable in the cable sleeve pipe (27,45).

6. connectors according to claim 5 is characterized in that, cable strain relief folder (13,14) is made up of top (16,16 ') and bottom (17,17 ') respectively, and they are from opposed side encirclement cable sleeve pipe (27,45) and can connect each other.

7. connectors according to claim 6 is characterized in that, cable sleeve pipe (27,45) is configured to the parallel hollow cylinder side by side in compartment of terrain; And the top (16,16 ') of cable strain relief folder (13,14) and bottom (17,17 ') are configured to respectively and traverse across cable sleeve pipe (27; 45) beam that extends, this beam on the side of cable sleeve pipe (27,45), be built with recess (77 ...; 79 or 84 ..., 86) be used for mating with cable sleeve pipe (27,45).

8. connectors according to claim 6 is characterized in that, the upper and lower (16,16 ', 17,17 ') of cable strain relief folder (13,14) has the hole (82,83 or 89,90) that is in alignment with each other and is used for interconnecting each other.

9. connectors according to claim 8 is characterized in that, cable strain relief folder (13; 14) upper and lower (16,16 ', 17; 17 ') by passing the set bolt (18 that extend in hole (82,83 or 89,90); 19) interconnect, and external pressure is applied on the cable sleeve pipe (27,45).

10. connectors according to claim 9 is characterized in that, cable strain relief folder (13,14) and whole thus connectors (10) are tightened on the base by set bolt (18,19).

11. according to claim 1 or 10 described connectors; It is characterized in that; Plug casing (11; 11 ') and Socket casing (12) can protect to prevent the disconnected from each other of connectors (10) by the insurance bending thing (15) that can insert in the state in said plug casing (11,11 ') and/or the said Socket casing (12) plugging together of connectors (10).

12. connectors according to claim 11 is characterized in that, insurance bending thing (15) comprises microscler substrate (68); Bar (69,70,75; 76) vertically outstanding along a direction from this substrate in the end; And in said plug casing (11,11 ') and/or said Socket casing (12), be provided with reach through hole (24,25; 42,43), insurance bending thing (15) can insert in these reach through holes by enough bars (69,70,75,76).

13. connectors according to claim 12 is characterized in that, bar (69,70,75,76) is slotted and is had a kayser head (72) at free end, bar by the kayser head at reach through hole (24,25; 42,43) outlet locking.

14. connectors according to claim 13; It is characterized in that; On insurance bending thing (15), be molded with grip groove (73; 74), can from said plug casing (11,11 ') and/or said Socket casing (12), pull out will insuring bending thing (15) under the situation of tool free by these grip groove.

15. connectors according to claim 11 is characterized in that, insurance bending thing (15) single type ground structure, and as moulding by the plastics manufacturing.

16. connectors according to claim 5 is characterized in that, cable strain relief folder (13,14) is by the plastics manufacturing.

17. connectors according to claim 7 is characterized in that, cable sleeve pipe (27,45) attenuates towards exporting taper slightly ground in inside, and recess (77 ..., 79 or 84..., 86) equally slightly taper ground make up.

18. connectors according to claim 1 and 2; It is characterized in that; Go up the compartment of terrain at Socket casing (12) and be provided with parallel socket receiving section (30) side by side, taper slightly, this socket receiving section holds the contact base (53) of cloudy contact element (52), and plug casing (11) is provided with corresponding contact protection thing (67); When connectors (10) when plugging together, this contact protection thing holds socket receiving section (30).

19. connectors according to claim 18 is characterized in that, in the build up outside of socket receiving section (30) seal convexity thing (29,31) is arranged.

20. connectors according to claim 1 is characterized in that, said plug casing (11,11 ') and/or said Socket casing (12) have connection chamber (32 respectively; 48) be used to hold contact element (52,60), in connection chamber (32,48), be built with kayser protuberance (35 respectively; 49), this kayser protuberance has the latch groove (36,50) that on direction of insertion, is positioned at thereafter; And on contact element (52,60), be respectively arranged with and keep groove (58,65) and kayser flange (57; 64) be used for and kayser protuberance (35,49) and latch groove (36,50) acting in conjunction.

21. connectors according to claim 20 is characterized in that, kayser flange (57,64) has inclined side in the inserting side.

22. connectors according to claim 1; It is characterized in that, on said plug casing (11,11 ') and/or said Socket casing (12), be built with grip groove (28; 46) be used to make said plug casing (11,11 ') and/or said Socket casing (12) disconnected from each other.

23. connectors according to claim 17 is characterized in that, cable sleeve pipe (27,45) is divided on the grafting direction two sections (33,34) that are provided with in succession, wherein the interior diameter of outside section (34) greater than the interior diameter of another section (33).

24. connectors according to claim 6 is characterized in that, the top (16,16 ') and the bottom (17,17 ') of cable strain relief folder (13,14) relative to each other guide by guide rod (80,80 ', 81,81 ').

25. connectors according to claim 24 is characterized in that, guide rod (80 ', 81 ') is encoded and is used for top (16,16 ') and/or bottom (17,17 ') unique orientation relative to each other.

26. connectors according to claim 5; It is characterized in that plug casing or Socket casing (11 ') last at cable strain relief folder (13,14) and association are provided with the encoder element (91 that matches each other; 92 or 93; 94), these encoder elements have guaranteed the unique orientation of cable strain relief folder (13,14) with respect to the plug casing or the Socket casing (11 ') of association.

27. connectors according to claim 1 and 2, wherein said connectors (1) are used under the situation of welding robot, being used to carry welding current.

28. connectors according to claim 16, wherein said cable strain relief folder (13,14) is by fiber strengthened polyamide manufacturing.